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Hydrogen technology is set to be a key energy alternative for mitigating pollution and reducing CO$_2$ emissions. However, the current storage mechanism of hydrogen molecules in carbon fibre tanks detracts from the fuel economy of hydrogen…

Materials Science · Physics 2026-04-09 Yasmine S. Al-Hamdani , Dario Alfè , Andrea Zen

We have studied hydrogen/lithium complexes in crystalline silicon using density-functional-theory methods and the ab initio random structure searching (AIRSS) method for predicting structures. A method based on the Maxwell construction and…

Materials Science · Physics 2012-01-25 Andrew J. Morris , C. P. Grey , R. J. Needs , Chris J. Pickard

The shift from fossil fuels to renewable energy sources is essential for reducing global carbon emissions and addressing climate change. Developing advanced materials for efficient hydrogen storage enables sustainable energy solutions in…

The hydrogen-methane compound (H_2)_4CH_4---or for short H4M---is one of the most promising hydrogen-storage materials. This van der Waals compound is extremely rich in molecular hydrogen: 33.3 mass%, not including the hydrogen bound in…

Materials Science · Physics 2012-10-09 Q. Li , T. Thonhauser

We have used first-principles methods to investigate how metal atoms dispersed in the interlayer space of graphitic materials affect their hydrogen-binding properties. We have considered ideal stage-one metal-intercalated graphites of…

Materials Science · Physics 2008-06-19 Manuel Cobian , Jorge Iniguez

The ability of atomic hydrogen to chemisorb on graphene makes the latter a promising material for hydrogen storage. Based on scanning tunneling microscopy techniques, we report on site-selective adsorption of atomic hydrogen on convexly…

Due to the presence of strong static correlation effects and noncovalent interactions, accurate prediction of the electronic and hydrogen storage properties of Li-adsorbed acenes with n linearly fused benzene rings (n = 3 - 8) has been very…

Chemical Physics · Physics 2016-09-12 Sonai Seenithurai , Jeng-Da Chai

Expanding pollution and rapid consumption of natural reservoirs (gas, oil, and coal) led humankind to explore alternative energy fuels like hydrogen fuel. Solid-state hydrogen storage is most desirable because of its usefulness in the…

Materials Science · Physics 2022-07-19 Mukesh Singh , Alok Shukla , Brahmananda Charkraborty

The recent progress in the field of hydrogen storage in carbon and boron nitride nanostructures has been summarized. Carbon and boron nitride nanostructures are considered advantageous in this prospect due to their lightweight and high…

Applied Physics · Physics 2021-07-29 Y. T. Singh , B. Chettri , A. Banik , K. O. Obodo , D. P. Rai

The use of a novel three-dimensional graphene structure allows circumventing the limitations of the two-dimensional nature of graphene and its application in hydrogen absorption. Here we investigate hydrogen-bonding on monolayer graphene…

Using first-principle density functional theory, we investigated the hydrogen storage capacity of Li functionalized adamantane. We showed that if one of the acidic hydrogen atoms of adamantane is replaced by Li/Li+, the resulting complex is…

Mesoscale and Nanoscale Physics · Physics 2015-05-27 Ahmad Ranjbar , Mohammad Khazaei , Natarajan Sathiyamoorthy Venkataramanan , Hoonkyung Lee , Yoshiyuki Kawazoe

Since the current transportation sector is the largest consumer of oil, and subsequently responsible for major air pollutants, it is inevitable to use alternative renewable sources of energies for vehicular applications. The hydrogen energy…

Atomic and Molecular Clusters · Physics 2016-07-26 Ravindra Shinde , Meenakshi Tayade

Fast-growing electronics industry and future energy storage needs have encouraged the design of rechargeable batteries with higher storage capacities, and longer life times. In this regard, two-dimensional (2D) materials, specifically boron…

Applied Physics · Physics 2018-03-21 Meysam Makaremi , Bohayra Mortazavi , Chandra Veer Singh

Silicene, germanene and stanene likely to graphene are atomic thick material with interesting properties. We employed first-principles density functional theory (DFT) calculations to investigate and compare the interaction of Na or Li ions…

Materials Science · Physics 2017-04-17 B Mortazavi , A Dianat , G Cuniberti , T Rabczuk

Hydrogen trapping ability of various metal - ethylene complexes has been studied at the B3LYP and MP2 level of theory using the 6-311+G(d,p) basis set. Different global and local reactivity descriptors and the associated electronic…

Atomic and Molecular Clusters · Physics 2010-09-03 Arindam Chakraborty , Santanab Giri , Pratim Kumar Chattaraj

Sorbent materials are a promising alternative to advance hydrogen storage technologies. The general disadvantage is the relatively weak solid-gas interaction and adsorption energy, providing low gravimetric and volumetric capacities and…

Materials Science · Physics 2022-11-28 Shima Rezaie , David M. J. Smeulders , Azahara Luna-Triguero

Exploring new perspectives for green technologies is one of the challenges of the third millennium, in which the need for non-polluting and renewable powering has become primary. In this context, the use of hydrogen as a fuel is promising,…

Mesoscale and Nanoscale Physics · Physics 2014-12-30 Vito Dario Camiola , Riccardo Farchioni , Tommaso Cavallucci , Antonio Rossi , Vittorio Pellegrini , Valentina Tozzini

In this chapter, the physisorption of hydrogen molecules in porous materials as possible hydrogen storage systems has been reviewed. Owing to the weak interaction between H2 molecules and the adsorbent, high storage capacities are typically…

Materials Science · Physics 2011-02-07 N. S. Venkataramanan , Y. Kawazoe

The recent experimental synthesis of the two-dimensional (2D)boron-graphdiyne (BGDY) nanosheet has motivated us to investigate its structural, electronic,and energy storage properties. BGDY is a particularly attractive candidate for this…

Mesoscale and Nanoscale Physics · Physics 2019-03-26 T. Hussain , B. Mortazavi , H. Bae , T. Rabczuk , H. Lee , A. Karton

By applying density functional theory (DFT) and ab-initio molecular dynamics (AIMD) simulations, we predict the ultrahigh hydrogen storage capacity of K and Ca decorated single-layer biphenylene sheet (BPS). We have kept various alkali and…

Materials Science · Physics 2022-02-25 Vikram Mahamiya , Alok Shukla , Brahmananda Chakraborty